package servlet;

import pojo.Dept;
import service.DeptService;
import service.impl.DeptServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

//注解
@WebServlet(urlPatterns = "/dept")
public class DeptServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //TODO   要做但还没做的
        req.setCharacterEncoding("utf-8");
        DeptService deptService = new DeptServiceImpl();

        String action = req.getParameter("action");
        //判断action
        if("list2".equals(action)){
            //获取参数
            String name = req.getParameter("name");
            Dept condition = new Dept(name);

            List<Dept> depts = deptService.findAll(condition);
            //把数据放在请求域中
            req.setAttribute("depts", depts);
            req.setAttribute("condition", condition);
            //在哪个页面显示数据
            req.getRequestDispatcher("/list2.jsp").forward(req,resp);
        }else if("delete".equals(action)){

            //获取参数
            String sid = req.getParameter("id");
            int id=Integer.parseInt(sid);


            int result = deptService.deleteDeptById(id);

            if(result>0){
                resp.sendRedirect("dept?action=list2");
            }else{

            }

        }else if("add".equals(action)){
            String name = req.getParameter("name");
            String pass=req.getParameter("pass");
            int result = deptService.addDept(new Dept(name));
            if (result>0) {
                resp.sendRedirect("dept?action=list2");
            }else {

            }
        }else if("toupdate".equals(action)){
            String sid = req.getParameter("id");
            int id=Integer.parseInt(sid);
            Dept depts = deptService.findDeptById(id);
            //把数据放在请求域中
            req.setAttribute("depts", depts);
            //在哪个页面显示数据
            req.getRequestDispatcher("/updateDept.jsp").forward(req,resp);

        }
        else if("update".equals(action)){
            String sid = req.getParameter("id");
            int id=Integer.parseInt(sid);
            String name = req.getParameter("name");
            String pass=req.getParameter("pass");
            int result = deptService.updateDept(new Dept(id,name));//打断点，不传值为零
            if (result>0) {
                resp.sendRedirect("dept?action=list2");
            }else {

            }
        }
    }



}
